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For web development: experience in HTML, CSS, JavaScript, React and ideally at least one server side language (PHP, Python etc).

You’ll work on high-scale global EdTech systems (Azure, .NET, Angular) that process assessment data for millions of students worldwide, and join a collaborative agile team with autonomy, high engineering standards, and a focus on continuous improvement. What makes this different: • Craft matters - We value clean code, a quality mindset, and engineering excellence, • Trust and support - Teams make technical decisions collaboratively with mentorship when you need it, • Real impact - Your work helps teachers make better decisions for their students, • Help build our AI-first future - We’re early in the process of adopting agentic SDLC, you’ll help define how we integrate AI into our workflows, • Design, build, and maintain features across the full stack (Azure, .NET APIs, Angular frontend, SQL databases), • Make or contribute to architectural and technical decisions within your domain, • Write clean, tested, maintainable code that solves real problems, • Participate in and improve our engineering practices (code review, testing strategies, CI/CD pipelines), • Experiment with AI tools to help build towards our adoption of agentic workflows, • Work closely with product, design, quality assurance, and other engineering teams to deliver valuable outcomes for teachers and students, • Break down ambiguous problems, propose ideas, and help bring them to completion, • Some previous professional software development experience, • Full-stack experience and skills in C#/.NET, TypeScript/JavaScript, and SQL (you don’t need to be an expert in all three), • Experience with modern web frameworks (Angular, React, or similar), • Understanding of system design, REST APIs, databases, and cloud platforms (Azure preferred), • Understanding of testing approaches (e.g. unit, integration, end-to-end) and familiarity with CI/CD pipelines, • You value quality and craft - testing, clean code, and thoughtful design matter to you, • You’re curious about AI tooling (GitHub Copilot, Claude Code, etc.), • You can work effectively both independently and collaboratively, • You understand trade-offs - when to optimize, when to ship, when to refactor, • You care about accessibility, performance, security, and maintainability - and apply them in practice, • You communicate technical concepts clearly to diverse audiences, • Azure (App Services, Static Web Apps, Storage Accounts, Azure SQL), • Angular (we’ll support you to learn if you’re coming from another framework), • AI-assisted development tools, • EdTech, SaaS, or mission-driven tech background, • WCAG accessibility standards Renaissance® is a global leader in education technology. We help schools and school groups in the UK and around the world with educational assessments, practice and intervention solutions, and data analytics. Renaissance now incorporates GL Assessment (known internationally as GL Education), too - a leading provider of educational assessments. Do you want to help millions of students worldwide reach their potential? At Renaissance, we build technology that accelerates learning for millions of students globally - regardless of ability, background, or circumstance. Our assessment platform helps teachers make data-driven decisions that change lives. We’re a tech-for-good company where people come first. We believe great software comes from great teams, and we’re looking for Software Engineers who want to combine technical craft with meaningful impact. This role is based from our office in Houghton le Spring on a hybrid basis - the team come together a couple of times a week. • Collaborative autonomy - Teams make decisions together and have freedom to innovate, • Engineering excellence - We invest in quality, testing, and continuous improvement, • Growth and learning - Access to training, mentorship, and time to experiment with new tools, • Inclusive and supportive - We value diverse perspective, psychological safety, and work-life balance, • Azure, .NET 8+, Angular 21, SQL Server, • Azure DevOps, CI/CD pipelines, Infrastructure as Code (Terraform), • Early adoption of agentic SDLC - help shape how we work, • Continuous modernisation of our stack and practice, • Hybrid working (Houghton-le-Spring office as a base with pool/ping pong table , dart board , and arcade machine ), • Flexible arrangements - We’re open to discussing what works for your life (including family responsibilities), • Generous leave policies - 22 days annual leave with the opportunity to purchase more, 3 days company leave over Christmas period , an extra day off during your birthday month , reduced hours (half day Fridays) during Summer and Winter holiday periods conditional on company performance We have an ongoing commitment to Diversity, Equity and Inclusion and have taken strides to become a more welcoming and inclusive workplace, including the introduction of our DEI Matters Network which is owned and driven by our staff. #J-18808-Ljbffr

Full Stack Developer / Engineer (. Full Stack Developer / Engineer (.

Apply to join a team delivering backend systems for player onboarding, KYC and identity verification, and platform-scale web services. Backend Software Engineer / Developer (C#. Opportunity to progress your career in a senior, hands-on Backend Software Engineer role at a growing games / gambling sit

A growing tech company in Sunderland is seeking a Senior C# Developer to join their customer onboarding team.This role involves shaping the player onboarding experience and developing reliable backend features.Candidates should have experience in C#.The position offers a competitive salary up to £7

Be among the first 25 applicants.This range is provided by Client Server.Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Direct message the job poster from Client Server.C# Software Engineer / Developer (.Net Core React AWS) Sunderland / WFH to

Senior C# Developer / Software Engineer (C#.Net Core AWS) Sunderland / WFH to £75k.Net Core backend development skills? You could be progressing your career in a senior, hands-on C# Developer role at a growing games / gambling site, whilst enjoying a range of benefits and perks.As a Senior C# Devel

You will work primarily on backend development in a collaborative Agile team while enjoying a hybrid work model.

A technology firm in Sunderland seeks a C# Software Engineer to enhance their real-time payment systems while offering a hybrid work model.This mid-senior level role promises a salary up to £55k and a range of benefits including an onsite gym, restaurant, and parking.Ideal candidates will have soli

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. Referrals increase your chances of interviewing at Client Server by 2x.

A leading technology firm in the UK is seeking a Full Stack Developer with expertise in C#. You will develop backend systems, collaborate within an Agile team, and work on cloud-based integrations.

Responsibilities include general IT support, working with Microsoft stack, SQL Server, and exposure to. IT Support Engineer role with a career path to software development.

Experienced 3rd Line IT Support Engineer for cloud & server infrastructure projects and escalations. Responsibilities include design, implementation, and support of solutions.

Lead full-cycle technical projects in iGaming for a growing company, managing Agile software development teams, client interactions, and project delivery from scoping to deployment.

Senior Backend Software Engineer with advanced Elixir, Ecto, and AI interest sought for a remote role in the UK.Responsibilities include designing and developing backend applications, APIs, and contributing to AI product offerings.

Job Description Senior Software Engineer | Newcastle Upon Tyne | Hybrid Join a collaborative team delivering bespoke software solutions across a range of high-profile organisations.In this hands-on role, you'll be involved throughout the full software development lifecycle, working within multidi

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. Referrals increase your chances of interviewing at Client Server by 2x. This range is provided by Client Server.

Job Description Senior Software Engineer | Newcastle Upon Tyne | Hybrid Join a collaborative team delivering bespoke software solutions across a range of high-profile organisations.In this hands-on role, you'll be involved throughout the full software development lifecycle, working within multidi

Client Server Limited is seeking a Head of IT Operations to own service delivery, transition and governance across a mixed Azure/AWS estate.

Job Description Senior Software Engineer | Newcastle Upon Tyne | Hybrid Join a collaborative team delivering bespoke software solutions across a range of high-profile organisations.In this hands-on role, you'll be involved throughout the full software development lifecycle, working within multidi

Newcastle upon Tyne, Tyne and Wear | £90k - £120k per year.Senior Software Engineer / Developer (C#.Opportunity to join a rapidly growing Fintech that is building sophisticated technology for the global investment management industry.Backed by significant funding and working alongside leading hedg

Consultant at Client Server - Data and QA. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. Referrals increase your chances of interviewing at Client Server by 2x.

Client Server Limited is seeking a Lead C# Developer / Backend Software Engineer (C#.

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Front End Developer TypeScript React - FinTech Client Server Newcastle upon Tyne, Tyne and Wear, England.

A well-funded Fintech scale-up is looking for a Lead C# Developer / Backend Software Engineer in Newcastle.You will design and implement core application logic, build APIs and microservices, and provide technical leadership while mentoring your team.Ideal candidates will have a strong background in

Client Server Limited is seeking a Data Scientist (Python, SQL, Maths) for their Newcastle office, with onsite work required and a potential salary up to £80k+.

You should have strong commercial experience as a SQL Server DBA, Database Performance Engineer or SQL Server Performance Specialist. We are working with an established technology organisation that is looking for a Senior Database Performance Engineer to take ownership of SQL Server performance acro

Data Scientist Python SQL Mathematics Client Server London, England.

The role requires senior SQL Server expertise, experience with AWS-based SQL Server deployments and a proactive, analytical approach. Infused Solutions in Birmingham is seeking a Senior Database Performance Engineer to own SQL Server performance across a large AWS environment.

Client Server Limited is seeking a Lead Backend Engineer in Newcastle to design and implement APIs and microservices, manage secure server environments, and guide the team with architectural leadership.

A leading technology firm in the UK is seeking a Senior Full Stack Engineer skilled in React and TypeScript.This role is remote with occasional team meetups in London.Responsibilities include contributing to technical discussions and tackling complex challenges in the Fintech sector.Ideal candidates

Client Server Limited in Newcastle is seeking a Backend Software Engineer (C#.

Client Server in Newcastle upon Tyne is seeking a skilled frontend engineer to lead development of data-rich interfaces and dashboards.

Bella Italia in the heart of the UK hospitality scene is seeking a friendly Front of House server to deliver memorable service.

This range is provided by Client Server. Direct message the job poster from Client Server. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn.

Mobile Engineer / Developer (Flutter iOS) Newcastle to £120k.Are you a talented Mobile Engineer with strong software engineering fundamentals and a passion for building high performance applications?.You could be progressing your career at a well-funded FinTech scale-up developing next generation t

What You’ll Do as a Server/Waiter/Waitress:.

A FinTech startup in Newcastle is seeking a Software Developer to join their team focusing on complex systems.This role offers competitive pay of up to £70k, a bonus, and a dynamic workplace culture.Candidates should have a relevant degree and experience in backend development, with a strong comman

Client Server Limited is looking for a Mobile Engineer / Developer (Flutter iOS) in Newcastle, offering a competitive package up to £120k along with a bonus and generous holiday.

Client Server in Newcastle upon Tyne seeks a Senior C# Developer to lead backend work on the core platform using the latest C#.

Client Server Limited is looking for a Senior Software Engineer / Developer (C#.

Head of IT Operations (Azure) Solihull / Remote to £75k.Join a growing technology led bank as Head of IT Operations, taking ownership of service delivery, service transition, operational governance and change management across a complex technology estate.This is not a pure infrastructure engineerin

A growing FinTech scale-up in Newcastle upon Tyne is looking for a Senior Software Engineer specializing in C#.You will be part of a talented team focused on building high-quality code for complex systems.Candidates should have a minimum 2.BSc in Computer Science and be experienced in modern softwar

As a Lead C# Developer / Backend Software Engineer you'll design and implement the logic behind core applications, build APIs and microservices that handle data processing, business rules and third-party integrations and oversee the configuration and upkeep of secure, reliable server environments.

A growing tech company in the UK is seeking a hands-on Technical Architect with strong Java skills to design and implement scalable AWS solutions.The role involves leading the architecture for a core insights platform, focusing on infrastructure, data, and application layers.You will ensure complian

As a Lead Backend Engineer you'll design and implement the logic behind core applications, build APIs and microservices that handle data processing, business rules and third‑party integrations and oversee the configuration and upkeep of secure, reliable server environments, working with a range of

Net Core - FinTech Client Server Newcastle upon Tyne, Tyne and Wear, England.